clipboard: fix windows warnings and run vfmt (#6715)

vlib/clipboard/clipboard_darwin.c.v

@@ -2,9 +2,7 @@ module clipboard
 
 #include <libkern/OSAtomic.h>
 #include <Cocoa/Cocoa.h>
-
 #flag -framework Cocoa
-
 pub struct Clipboard {
 	pb             voidptr
 	last_cb_serial i64
@@ -12,7 +10,7 @@ mut:
 	foo            int // TODO remove, for mut hack
 }
 
-fn new_clipboard() &Clipboard{
+fn new_clipboard() &Clipboard {
 	pb := voidptr(0)
 	#pb = [NSPasteboard generalPasteboard];
 	cb := &Clipboard{
@@ -25,18 +23,20 @@ fn (cb &Clipboard) check_availability() bool {
 	return cb.pb != C.NULL
 }
 
-fn (mut cb Clipboard) clear(){
+fn (mut cb Clipboard) clear() {
 	cb.foo = 0
 	#[cb->pb clearContents];
 }
 
-fn (mut cb Clipboard) free(){
+fn (mut cb Clipboard) free() {
 	cb.foo = 0
-	//nothing to free
+	// nothing to free
 }
 
 fn (cb &Clipboard) has_ownership() bool {
-	if cb.last_cb_serial == 0 {return false}
+	if cb.last_cb_serial == 0 {
+		return false
+	}
 	#return [cb->pb changeCount] == cb->last_cb_serial;
 	return false
 }
@@ -47,12 +47,10 @@ fn (mut cb Clipboard) set_text(text string) bool {
 	cb.foo = 0
 	#NSString *ns_clip;
 	ret := false
-
 	#ns_clip = [[ NSString alloc ] initWithBytesNoCopy:text.str length:text.len encoding:NSUTF8StringEncoding freeWhenDone: false];
 	#[cb->pb declareTypes:[NSArray arrayWithObject:NSStringPboardType] owner:nil];
 	#ret = [cb->pb setString:ns_clip forType:NSStringPboardType];
 	#[ns_clip release];
-
 	mut serial := 0
 	#serial = [cb->pb changeCount];
 	C.OSAtomicCompareAndSwapLong(cb.last_cb_serial, serial, &cb.last_cb_serial)
@@ -63,14 +61,12 @@ fn (mut cb Clipboard) get_text() string {
 	cb.foo = 0
 	#NSString *ns_clip;
 	utf8_clip := byteptr(0)
-
 	#ns_clip = [cb->pb stringForType:NSStringPboardType]; //NSPasteboardTypeString
 	#if (ns_clip == nil) {
-	#	return tos3(""); //in case clipboard is empty
+	#return tos3(""); //in case clipboard is empty
 	#}
-
 	#utf8_clip = [ns_clip UTF8String];
-	return unsafe { utf8_clip.vstring() }
+	return unsafe {utf8_clip.vstring()}
 }
 
 pub fn new_primary() &Clipboard {

vlib/clipboard/clipboard_solaris.c.v

@@ -1,7 +1,7 @@
 module clipboard
 
 pub struct Clipboard {
-	mut:
+mut:
 	text     string // text data sent or received
 	got_text bool // used to confirm that we have got the text
 	is_owner bool // to save selection owner state
@@ -28,12 +28,12 @@ fn (mut cb Clipboard) get_text() string {
 	return cb.text
 }
 
-fn (mut cb Clipboard) clear(){
+fn (mut cb Clipboard) clear() {
 	cb.text = ''
 	cb.is_owner = false
 }
 
-fn (mut cb Clipboard) free(){
+fn (mut cb Clipboard) free() {
 }
 
 fn (cb &Clipboard) has_ownership() bool {

vlib/clipboard/clipboard_test.v

@@ -1,25 +1,27 @@
 import clipboard
 
-fn run_test(is_primary bool){
+fn run_test(is_primary bool) {
-	mut cb := if is_primary {clipboard.new_primary()}else{clipboard.new()}
+	mut cb := if is_primary { clipboard.new_primary() } else { clipboard.new() }
-	if !cb.is_available() {return}
+	if !cb.is_available() {
+		return
+	}
 	assert cb.check_ownership() == false
-	assert cb.copy("I am a good boy!") == true
+	assert cb.copy('I am a good boy!') == true
 	assert cb.check_ownership() == true
-	assert cb.paste() == "I am a good boy!"
+	assert cb.paste() == 'I am a good boy!'
 	cb.clear_all()
 	assert cb.paste().len <= 0
 	cb.destroy()
 }
 
-fn test_primary(){
+fn test_primary() {
 	$if linux {
-		//run_test(true)
+		// run_test(true)
 		return
 	}
 }
 
-fn test_clipboard(){
+fn test_clipboard() {
 	$if linux {
 		return
 	}

vlib/clipboard/clipboard_windows.c.v

@@ -3,7 +3,6 @@ module clipboard
 import time
 
 #flag -lUser32
-
 struct WndClassEx {
 	cb_size         u32
 	style           u32
@@ -23,7 +22,7 @@ fn C.RegisterClassEx(class WndClassEx) int
 
 fn C.GetClipboardOwner() &C.HWND
 
-fn C.CreateWindowEx(dwExStyle i64, lpClassName, lpWindowName &u16, dwStyle i64, x, y, nWidth, nHeight int, hWndParent i64, hMenu, h_instance, lpParam voidptr) &C.HWND
+fn C.CreateWindowEx(dwExStyle i64, lpClassName &u16, lpWindowName &u16, dwStyle i64, x int, y int, nWidth int, nHeight int, hWndParent i64, hMenu voidptr, h_instance voidptr, lpParam voidptr) &C.HWND
 
 // fn C.MultiByteToWideChar(CodePage u32, dw_flags u16, lpMultiByteStr byteptr, cbMultiByte int, lpWideCharStr u16, cchWideChar int) int
 fn C.EmptyClipboard()
@@ -53,7 +52,7 @@ fn C.DestroyWindow(hwnd C.HWND)
 struct Clipboard {
 	max_retries int
 	retry_delay int
-    mut:
+mut:
 	hwnd        C.HWND
 	foo         int // TODO remove
 }
@@ -94,8 +93,8 @@ fn new_clipboard() &Clipboard {
 	if C.RegisterClassEx(&wndclass) == 0 && C.GetLastError() != u32(C.ERROR_CLASS_ALREADY_EXISTS) {
 		println('Failed registering class.')
 	}
-	hwnd := C.CreateWindowEx(0, wndclass.lpsz_class_name, wndclass.lpsz_class_name, 0, 0, 0,
+	hwnd := C.CreateWindowEx(0, wndclass.lpsz_class_name, wndclass.lpsz_class_name, 0,
-		0, 0, C.HWND_MESSAGE, C.NULL, C.NULL, C.NULL)
+		0, 0, 0, 0, C.HWND_MESSAGE, C.NULL, C.NULL, C.NULL)
 	if hwnd == C.NULL {
 		println('Error creating window!')
 	}
@@ -127,12 +126,13 @@ fn (mut cb Clipboard) free() {
 
 // the string.to_wide doesn't work with SetClipboardData, don't know why
 fn to_wide(text string) &C.HGLOBAL {
-	len_required := C.MultiByteToWideChar(C.CP_UTF8, C.MB_ERR_INVALID_CHARS, text.str, text.len +
+	len_required := C.MultiByteToWideChar(C.CP_UTF8, C.MB_ERR_INVALID_CHARS, text.str,
-		1, C.NULL, 0)
+		text.len + 1, C.NULL, 0)
 	buf := C.GlobalAlloc(C.GMEM_MOVEABLE, i64(sizeof(u16)) * len_required)
 	if buf != C.HGLOBAL(C.NULL) {
 		mut locked := &u16(C.GlobalLock(buf))
-        C.MultiByteToWideChar(C.CP_UTF8, C.MB_ERR_INVALID_CHARS, text.str, text.len + 1, locked, len_required)
+		C.MultiByteToWideChar(C.CP_UTF8, C.MB_ERR_INVALID_CHARS, text.str, text.len + 1,
+			locked, len_required)
 		unsafe {
 			locked[len_required - 1] = u16(0)
 		}